1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7 /*
8 * Misc boot support
9 */
10 #include <common.h>
11 #include <command.h>
12 #include <net.h>
13
14 #ifdef CONFIG_CMD_GO
15
16 /* Allow ports to override the default behavior */
17 __attribute__((weak))
do_go_exec(ulong (* entry)(int,char * const[]),int argc,char * const argv[])18 unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
19 char * const argv[])
20 {
21 return entry (argc, argv);
22 }
23
do_go(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])24 static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
25 {
26 ulong addr, rc;
27 int rcode = 0;
28
29 if (argc < 2)
30 return CMD_RET_USAGE;
31
32 addr = simple_strtoul(argv[1], NULL, 16);
33
34 printf ("## Starting application at 0x%08lX ...\n", addr);
35
36 /*
37 * pass address parameter as argv[0] (aka command name),
38 * and all remaining args
39 */
40 rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
41 if (rc != 0) rcode = 1;
42
43 printf ("## Application terminated, rc = 0x%lX\n", rc);
44 return rcode;
45 }
46
47 /* -------------------------------------------------------------------- */
48
49 U_BOOT_CMD(
50 go, CONFIG_SYS_MAXARGS, 1, do_go,
51 "start application at address 'addr'",
52 "addr [arg ...]\n - start application at address 'addr'\n"
53 " passing 'arg' as arguments"
54 );
55
56 #endif
57
58 U_BOOT_CMD(
59 reset, 1, 0, do_reset,
60 "Perform RESET of the CPU",
61 ""
62 );
63
64 #ifdef CONFIG_CMD_POWEROFF
65 U_BOOT_CMD(
66 poweroff, 1, 0, do_poweroff,
67 "Perform POWEROFF of the device",
68 ""
69 );
70 #endif
71